WHOWE ARE

VISION

  • SIW is a Global leader in the Steel Wire business that provides better solutions for all.

MISSION

  • Serves the global Steel Wire Customers
  • With differentiated and innovative Products & Services
  • Team of engaged and agile Employees
  • Committed to Environmental, Social and Governance practices

Siw'sMilestones

1994
1994
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd) and founded as a subsidy (100% owned) of Siam Cement Group (SCG) *SIW has produced PC Strand/Wire since 1971 while we were just 1 unit of SISCO.
1996
1996
All facilities in SISCO, Saraburi were Transferred to Rayong
All facilities in SISCO, Saraburi were Transferred to Rayong and Rayong factory began operation.
2002
2002
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW as a subsidiary of Natsteel asia was 100% owned by Tata Steel Co,.Ltd
2005
2005
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
2012
2012
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
Entered into 60:40 jv with nichia japan to set up TSN Wires Co., Ltd to Manufacture galvanized.
2016
2016
Open the first overseas marketing office in Jakarta, Indonesia
Open the first overseas marketing office in Jakarta, Indonesia
2017
2017
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
2018
2018
New R&D Center Building
New R&D Center Building
2537
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
SIW was separate from SISCO (Siam Iron & Steel Co.,Ltd)
2539
All facilities in SISCO, Saraburi were Transferred to Rayong
All facilities in SISCO, Saraburi were Transferred to Rayong
2545
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
Natsteel ltd. acquired st n scg (NSL 71% and SCG 29%) Natsteel asia acquired the rest 29% shares from scg SIW
2548
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
Tata Steel Co,.Ltd acquired 100% share of steel and related business (Steel Division)
2555
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
In 2012, The Siam Industrial Wire Co.,Ltd. Company Expanded the new galvanized wire business.
2559
Open the first overseas marketing office in Jakarta, Indonesia
Open the first overseas marketing office in Jakarta, Indonesia
2560
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
Commenced manufacturing of spring wire in SIW factory in Rayong Thailand
2561
New R&D Center Building
New R&D Center Building

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